13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP
  26 #define SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 
  30 #include <stddef.h>
  31 #include <string.h>
  32 
  33 // Only used by concurrent collectors.
  34 #if INCLUDE_ALL_GCS
  35 
  36 // Fill a block of memory with value, like memset, but with the
  37 // understanding that there may be concurrent readers of that memory.
  38 void memset_with_concurrent_readers(void* to, int value, size_t size);
  39 
  40 #ifdef SPARC
  41 
  42 // SPARC requires special handling.  See SPARC-specific definition.
  43 
  44 #else
  45 // All others just use memset.
  46 
  47 inline void memset_with_concurrent_readers(void* to, int value, size_t size) {
  48   ::memset(to, value, size);
  49 }
  50 
  51 #endif // End of target dispatch.
  52 
  53 #endif // INCLUDE_ALL_GCS
  54 
  55 #endif // SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP
  26 #define SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 
  30 #include <stddef.h>
  31 #include <string.h>
  32 



  33 // Fill a block of memory with value, like memset, but with the
  34 // understanding that there may be concurrent readers of that memory.
  35 void memset_with_concurrent_readers(void* to, int value, size_t size);
  36 
  37 #ifdef SPARC
  38 
  39 // SPARC requires special handling.  See SPARC-specific definition.
  40 
  41 #else
  42 // All others just use memset.
  43 
  44 inline void memset_with_concurrent_readers(void* to, int value, size_t size) {
  45   ::memset(to, value, size);
  46 }
  47 
  48 #endif // End of target dispatch.


  49 
  50 #endif // SRC_SHARE_VM_GC_SHARED_MEMSETWITHCONCURRENTREADERS_HPP